5 2 1 5x − 10 July 8, 2019 16 32 64 128 5x 2 5 x 1 10 2 5 3 5x 2 5 1 10x 3 3x 5 2 5x 1 10 0 2 5x 1 10 3 5 4 5x 2 5 1 10 4 3x 2 5 7 5x 1 10 2 5x 5 2x 1 10 − 5x 5 )+ 9 − 2 1 10x 8 )+ 7 2 40 5x )= 10x 5 1 x 2 x 1 )= 3 5 10 5x 3x 6 5 2x 1 2 5x 6 10 1 2 1 5x 3 10x 4 5 10 x 5 1 5x 2 how many solutions